1/* 2 * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27 28#if ENABLE(WORKERS) 29 30#include "JSWorkerContext.h" 31 32#include "ExceptionCode.h" 33#include "JSDOMBinding.h" 34#include "JSDOMGlobalObject.h" 35#include "JSEventListener.h" 36#include "JSEventSource.h" 37#include "JSMessageChannel.h" 38#include "JSMessagePort.h" 39#include "JSWorkerLocation.h" 40#include "JSWorkerNavigator.h" 41#include "JSXMLHttpRequest.h" 42#include "ScheduledAction.h" 43#include "WorkerContext.h" 44#include "WorkerLocation.h" 45#include "WorkerNavigator.h" 46#include <interpreter/Interpreter.h> 47 48#if ENABLE(WEB_SOCKETS) 49#include "JSWebSocket.h" 50#endif 51 52using namespace JSC; 53 54namespace WebCore { 55 56void JSWorkerContext::markChildren(MarkStack& markStack) 57{ 58 Base::markChildren(markStack); 59 60 JSGlobalData& globalData = this->globalData(); 61 62 markActiveObjectsForContext(markStack, globalData, scriptExecutionContext()); 63 64 markDOMObjectWrapper(markStack, globalData, impl()->optionalLocation()); 65 markDOMObjectWrapper(markStack, globalData, impl()->optionalNavigator()); 66 67 impl()->markJSEventListeners(markStack); 68} 69 70bool JSWorkerContext::getOwnPropertySlotDelegate(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) 71{ 72 // Look for overrides before looking at any of our own properties. 73 if (JSGlobalObject::getOwnPropertySlot(exec, propertyName, slot)) 74 return true; 75 return false; 76} 77 78bool JSWorkerContext::getOwnPropertyDescriptorDelegate(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) 79{ 80 // Look for overrides before looking at any of our own properties. 81 if (JSGlobalObject::getOwnPropertyDescriptor(exec, propertyName, descriptor)) 82 return true; 83 return false; 84} 85 86#if ENABLE(EVENTSOURCE) 87JSValue JSWorkerContext::eventSource(ExecState* exec) const 88{ 89 return getDOMConstructor<JSEventSourceConstructor>(exec, this); 90} 91#endif 92 93JSValue JSWorkerContext::xmlHttpRequest(ExecState* exec) const 94{ 95 return getDOMConstructor<JSXMLHttpRequestConstructor>(exec, this); 96} 97 98#if ENABLE(WEB_SOCKETS) 99JSValue JSWorkerContext::webSocket(ExecState* exec) const 100{ 101 return getDOMConstructor<JSWebSocketConstructor>(exec, this); 102} 103#endif 104 105JSValue JSWorkerContext::importScripts(ExecState* exec) 106{ 107 if (!exec->argumentCount()) 108 return jsUndefined(); 109 110 Vector<String> urls; 111 for (unsigned i = 0; i < exec->argumentCount(); i++) { 112 urls.append(ustringToString(exec->argument(i).toString(exec))); 113 if (exec->hadException()) 114 return jsUndefined(); 115 } 116 ExceptionCode ec = 0; 117 118 impl()->importScripts(urls, ec); 119 setDOMException(exec, ec); 120 return jsUndefined(); 121} 122 123JSValue JSWorkerContext::setTimeout(ExecState* exec) 124{ 125 // FIXME: Should we enforce a Content-Security-Policy on workers? 126 OwnPtr<ScheduledAction> action = ScheduledAction::create(exec, currentWorld(exec), 0); 127 if (exec->hadException()) 128 return jsUndefined(); 129 int delay = exec->argument(1).toInt32(exec); 130 return jsNumber(impl()->setTimeout(action.release(), delay)); 131} 132 133JSValue JSWorkerContext::setInterval(ExecState* exec) 134{ 135 // FIXME: Should we enforce a Content-Security-Policy on workers? 136 OwnPtr<ScheduledAction> action = ScheduledAction::create(exec, currentWorld(exec), 0); 137 if (exec->hadException()) 138 return jsUndefined(); 139 int delay = exec->argument(1).toInt32(exec); 140 return jsNumber(impl()->setInterval(action.release(), delay)); 141} 142 143 144#if ENABLE(CHANNEL_MESSAGING) 145JSValue JSWorkerContext::messageChannel(ExecState* exec) const 146{ 147 return getDOMConstructor<JSMessageChannelConstructor>(exec, this); 148} 149#endif 150 151} // namespace WebCore 152 153#endif // ENABLE(WORKERS) 154